Numerical Atlas

Name

Symbol

Suggested: He / H

Unit

Suggested: Dimensionless

Lower Bound

Upper Bound

Exclude

Without Uncertainties

With Uncertainties

Constraints

arXiv ID

Name/Symbol Condition

OR

AND

Name: atmospheric abundance of helium

Mean: 1.3

Median: 1.3

1 results.

Download Data (CSV)

arXiv	Name	Symbol	Parsed	Bound
astro-ph/9611181 🔍 (source)	atmospheric abundance of helium	He / H	0.00013000000000000002